Home / 212,864.64-293,755.20-117,374.76

Finding the Fourth Proportional to 212,864.64, 293,755.20 and 117,374.76

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Solution

The fourth proportional to 212,864.64, 293,755.20 and 117,374.76 is: 161,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,864.64 : 293,755.20 = 117,374.76 : x
  2. Step 2: Convert to fraction form
    212,864.64/293,755.20 = 117,374.76/x
  3. Step 3: Cross multiply
    212,864.64x = 293,755.20 × 117,374.76
  4. Step 4: Simplify right side
    212,864.64x = 34,479,446,098.75
  5. Step 5: Solve for x
    x = 34,479,446,098.75/212,864.64
  6. Step 6: Final answer
    x = 161,978.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.